bzr tests fail with "lost connection"

Bug #591507 reported by Martin Pool on 2010-06-08
8
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Bazaar
High
Unassigned
PQM
Undecided
Unassigned

Bug Description

I submitted a test that failed with:

time: 2010-06-04 06:35:30.914710Z
test: bzrlib.tests.per_branch.test_last_revision_info.TestLastRevisionInfo.test_non_empty_branch(BzrBranchFormat8)
error: bzrlib.tests.per_branch.test_last_revision_info.TestLastRevisionInfo.test_non_empty_branch(BzrBranchFormat8)
[
_StringException: lost connection during success report of test
'bzrlib.tests.per_branch.test_last_revision_info.TestLastRevisionInfo.test_non_empty_branch(BzrBranchFormat8)'

from http://sourcefrog.net/tmp/1m/pqm-failure.txt

does that mean anything to you?

and Robert said

I think it means a progress bar or other thing output to stdout (not
stderr, PQM *should* be immune to that) trampled on the protocol, so
it didn't see the end of message for the test; that content should be
in the stderr which is included at the top of the test.

Hmm, please file a bug, its not certain that the pending-rollout
improvements I've made will be sufficient to make this really usable.

Martin Pool (mbp) wrote :

I'm not sure if anything actually needs to be fixed in bzr.

If the currently-underway doesn't fix this I'm inclined to turn off --subunit, because the streams sent by mail are mangled anyhow.

Changed in bzr:
importance: Undecided → High
status: New → Incomplete
Martin Pool (mbp) on 2010-06-09
Changed in pqm:
status: New → In Progress
Jelmer Vernooij (jelmer) wrote :

Is this still an issue?

tags: added: selftest
Vincent Ladeuil (vila) wrote :

This appear in many spurious babune failures and the cause is still unknown.

Vincent Ladeuil (vila) wrote :

At one point I realized that this may be related to subprocesses stdout/stderr management.

We fixed some issues there so I'm not sure we can still encounter *this* issue.

Leaving the bug in incomplete state, please report any re-occurrence.

Jelmer Vernooij (jelmer) on 2012-05-21
Changed in pqm:
status: In Progress → Triaged
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